Environmental Research &Technology Division

Technology Development/Applications Group

The fifth lift shows the intersection of the slant wall with the back vertical wall
Final excavation of the slant wall	The upper surface of the slant wall fully exposed	A bulb of grouted soil - note the lance hole filled with gelled CS grout
The slant wall was left intact to be used as a verification facility. Several holes were drilled through the barrier and filled with a blended sand. Slotted well casing was installed durig the backfill operation. This will provide sampling ports for tracer studies. The bottom and tops of the wells were survey in as well as several midpoints.
The monitoring wells are straightened as the backfilling progresses.	The end is near! The backfilling of the excavation is nearly complete and the test facility monitoring wells are in place.	The facility is completed. Equipment/monitoring port installation can now begin.

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Last Modified: November 12, 2009
Please forward all questions about this site to: Linda Satalino

One of ten national laboratories overseen and primarily funded by the Office of Science of the U.S. Department of Energy (DOE), Brookhaven National Laboratory conducts research in the physical, biomedical, and environmental sciences, as well as in energy technologies and national security. Brookhaven Lab also builds and operates major scientific facilities available to university, industry and government researchers. Brookhaven is operated and managed for DOE's Office of Science by Brookhaven Science Associates, a limited-liability company founded by the Research Foundation for the State University of New York on behalf of Stony Brook University, the largest academic user of Laboratory facilities, and Battelle, a nonprofit, applied science and technology organization.

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